Home / 28,800.36-43,150.73-28,111.46

Finding the Fourth Proportional to 28,800.36, 43,150.73 and 28,111.46

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Solution

The fourth proportional to 28,800.36, 43,150.73 and 28,111.46 is: 42,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800.36 : 43,150.73 = 28,111.46 : x
  2. Step 2: Convert to fraction form
    28,800.36/43,150.73 = 28,111.46/x
  3. Step 3: Cross multiply
    28,800.36x = 43,150.73 × 28,111.46
  4. Step 4: Simplify right side
    28,800.36x = 1,213,029,664.05
  5. Step 5: Solve for x
    x = 1,213,029,664.05/28,800.36
  6. Step 6: Final answer
    x = 42,118.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.